Mariposa Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | California |
| County | Mariposa |
| Nearest City | LE GRAND |
| River/Stream | MARIPOSA CREEK |
| Coordinates | 37.29118, -120.14789 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 88 ft |
| Dam Length | 1,330 ft |
| Year Completed | 1948 (78 years old) |
Storage & Hydraulics
| NID Storage | 21,500 acre-ft |
| Max Storage | 21,500 acre-ft |
| Normal Storage | 4,300 acre-ft |
| Surface Area | 510 acres |
| Drainage Area | 107 sq mi |
| Max Discharge | 30,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | USACE - Sacramento District |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 03/22/2023 |
| Emergency Action Plan | Yes |